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The Arduino ecosystem offers two Versions of the Arduino IDE and an Arduino CLI that both base on.
The latter can be used for building Arduino projects with nix.

== Arduino IDE 2.x ==

The Arduino IDE 2.x is available in nixpkgs as <code>arduino-ide</code>

== Arduino IDE 1.x ==

This is the old Arduino IDE and it is available as <code>arduino</code> in nixpkgs.
It is still used for many projects.

=== shell.nix ===

<syntaxhighlight lang="nix">
{
  pkgs ? import <nixpkgs> { },
}:
pkgs.callPackage (
  {
    mkShell,
    arduino,
  }:
  mkShell {
    strictDeps = true;
    nativeBuildInputs = [
      arduino
    ];
  }
) { }
</syntaxhighlight>

=== Upload program ===

Upload to an <code>Arduino Nano</code> board

<pre>
time \
arduino --board arduino:avr:nano --port /dev/ttyUSB0 --upload Blink.cpp

Loading configuration...
Initializing packages...
Preparing boards...
Verifying...
Uploading...

real    0m28.913s
</pre>
<!--

todo: make this faster

==== Upload with Makefile ====

https://github.com/sudar/Arduino-Makefile

<syntaxHighlight lang=bash>
git clone --depth 1 https://github.com/sudar/Arduino-Makefile
python3 Arduino-Makefile/bin/ardmk-init -b nano -u atmega328 -n my-project
</syntaxHighlight>

Makefile

<syntaxHighlight lang=Makefile>
# Generated by ard-make version 1.2

BOARD_TAG = nano
BOARD_SUB = atmega328
TARGET = my-project

include $(ARDMK_DIR)/Arduino.mk
</syntaxHighlight>

TODO now what?

see also: https://github.com/tomswartz07/arduino-makefile

-->

== Arduino CLI ==

The Arduino CLI is available as <code>arduino-cli</code> in nixpkgs.

=== Build Arduino project with Nix ===

Ardunio-Nix allows generating all dependencies from an Arduino project as Nix dependencies.
The Arduino-Env patch makes it possible to build these Arduino project within Nix.

* Arduino-Nix: https://github.com/bouk/arduino-nix
* Ardunio-Env patch: https://github.com/clerie/arduino-nix/tree/clerie/arduino-env

== Serial console ==

See: [[Serial Console]]

<pre>
screen /dev/ttyUSB0

# set baud rate. default is 9600
screen /dev/ttyUSB0 9600
</pre>

see also: https://wiki.archlinux.org/title/GNU_Screen

see also: https://wiki.archlinux.org/title/Working_with_the_serial_console

== See also ==

* [[Embedded]]
** [https://discourse.nixos.org/t/arduino-ide-environment/2086 shell.nix for Arduino IDE]
* https://wiki.archlinux.org/title/Arduino
* https://github.com/boredom101/nixduino
* https://www.arduino.cc/en/Tutorial/BuiltInExamples/Blink
* https://vid.bina.me/tools/arduino/arduino-on-nixos/
* [https://gist.github.com/CMCDragonkai/d00201ec143c9f749fc49533034e5009 Arduino Connection on NixOS]
* https://rzetterberg.github.io/teensy-development-on-nixos.html